5-day weather forecast for Knoxville, Tennessee
Today
64°
93°
Mostly sunny
Sunday
67°
92°
Mostly sunny
Monday
67°
89°
Slight Chance Thunderstorms
Tuesday
67°
87°
Chance Thunderstorms
Wednesday
66°
86°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Alcoa, Tennessee
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 5.9° | 5.1° |
| Average change in low temperature day-to-day | 6.8° | 7.3° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 40% | 54% |
| Chance of precip day after a dry day | 14% | 27% |
Weather forecast accuracy for Alcoa, Tennessee
| The Weather Channel | 72.22% |
| AccuWeather | 71.91% |
| National Weather Service | 70.68% |
| NWS Digital Forecast | 68.00% |
| CustomWeather | 67.28% |
| Intellicast | 62.96% |
| Weather Underground | 60.80% |
| World Weather Online | 58.64% |
| Persistence | 46.79% |
| The Weather Channel | 70.42% |
| National Weather Service | 69.69% |
| CustomWeather | 69.11% |
| NWS Digital Forecast | 68.91% |
| Intellicast | 65.89% |
| AccuWeather | 65.09% |
| Persistence | 44.81% |
ForecastAdvisor Fact
It rained or snowed 35% of the time in Alcoa last month when Weather Underground's text forecasts called for precipitation, and 19% of the time when they did not.